one hot water radiator not hot Home › Forums › Public Forums › General Plumbing › one hot water radiator not hot This topic has 2 replies, 3 voices, and was last updated 23 years, 3 months ago by Guest. Viewing 2 reply threads Author Posts 5 Jan 2001 at 10:23 pm #274324 MasterPlumbersKeymaster One hot water radiator downstairs in my old house is not heating up much. How come? The pipe leading to the radiator, although covered with asbestos, feels warm. All the other radiators on three floors, including another in this room, are hot. 5 Jan 2001 at 11:32 pm #289552 SylvanLMPParticipant The radiator is AIR BOUND needs bleeding 7 Jan 2001 at 10:12 pm #289553 GuestParticipant you may want to make sure your radiator is level. Author Posts Viewing 2 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In